Update SplitString calls in chrome.

chrome/browser/extensions/install_signer.cc

 // Copyright 2013 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "chrome/browser/extensions/install_signer.h"
 
 #include "base/base64.h"
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/json/json_reader.h"
@@ skipping 275 matching lines @@
 };
 
 // static
 ExtensionIdSet InstallSigner::GetForcedNotFromWebstore() {
   std::string value =
       base::CommandLine::ForCurrentProcess()->GetSwitchValueASCII(
           switches::kExtensionsNotWebstore);
   if (value.empty())
     return ExtensionIdSet();
 
-  std::vector<std::string> ids;
-  base::SplitString(value, ',', &ids);
+  std::vector<std::string> ids = base::SplitString(
+      value, ",", base::TRIM_WHITESPACE, base::SPLIT_WANT_ALL);
   return ExtensionIdSet(ids.begin(), ids.end());
 }
 
 namespace {
 
 static int g_request_count = 0;
 
 base::LazyInstance<base::TimeTicks> g_last_request_time =
     LAZY_INSTANCE_INITIALIZER;
 
@@ skipping 193 matching lines @@
     if (!verified)
       result.reset();
   }
 
   if (!callback_.is_null())
     callback_.Run(result.Pass());
 }
 
 
 }  // namespace extensions